v15.4.0-canary.63

Core Changes

• [dev-overlay] Parse stacks in reducer not during dispatch: #79788
• Remove obsolete @ts-expect-error: #80065
• [dev-tools] Navigation header replaces close button: #80097
• [dev-overlay] Inject get*Stack implementation: #79789
• [dev-overlay] Fix dark‐mode styling for <option> in Preferences dropdowns: #80025
• Use relative sources in require() instead of next/dist/ if possible: #80054
• [dev-overlay] Inject isRecoverableError implementation: #80003
• [devtool] fix explorer flag consuming and style: #80110
• [dev-tools] add restart dev server button to error overlay: #80060
• [dev-tools] add restart dev server button on dev-tools indicator preferences: #80072
• [chore] remove legacy useEarlyImport flag: #80112
• [testmode] Fix types of wrapRequestHandler: #80055
• Extend bot list with googleweblight, Storebot-Google, Google-Inspecti…: #77728
• [dev-overlay] Inject getSquashedHydrationErrorDetails implementation: #80046
• [dev-tools] better description for restart server button: #80118
• [dev-tools] style: preferences section title: #80120
• [metadata] refactor to remove async metadata: #78495

Misc Changes

• docs: Manual calls to action should we wrapped in startTransition: #80101
• [dev-tools] Re-focus previous item after closing sub menu: #80099
• perf(turbopack/rcstr): Precompute hash for equality bailout: #78943
• perf(turbopack/rcstr): Use precomputed hash: #80074
• Docs: Improve Turbopack webpack loader documentation: #79523
• fix(turbopack): Allow google font fetch errors to propagate when in production: #79999
• chore(turbopack): Fix building local crates with --all-features: #80117
• fix React 18 test failures: #80119

Credits

Huge thanks to @icyJoseph, @eps1lon, @raunofreiberg, @teamleaderleo, @kdy1, @huozhi, @devjiwonchoi, @Cy-Tek, @vitaliemiron, @bgw, and @ztanner for helping!

v15.4.0-canary.62

Core Changes

• Update font data: #80036
• Fix defunct ESLint overrides: #80053
• [devtools] Add an endpoint to poll for server status: #80005
• [dynamicIO] Only report client sync IO errors if they are above a Suspense boundary: #80026

Misc Changes

• Turbopack: add print_cache_item_size feature flag to print cache size per task: #80043
• Turbopack: remove verbose output: #80044
• docs: Reference to statically imported images: #80048
• Docs: Drop innacurate override information for dynamicParams: #79966
• chore: Use same function references in useReportWebVitals examples: #79963
• refactor(turbopack): Do not use Result for Rope#read: #80004
• Turbopack Build: Fix next-font test: #80049
• chore(ci): Disable flaky turbopack benchmarks: #80058
• Turbopack Build: Implement locale:false middleware matcher: #80057
• [turbopack] Simplify the definition of AssetIdent: #79805
• Update Rspack production test manifest: #80038
• Update Turbopack production test manifest: #80040
• Update Rspack development test manifest: #80039
• chore(turbopack): Update rust-sourcemap to v9.2.2: #80066
• chore(turbopack): Remove Lightningcss prefix for CSS types: #80067
• build(turbopack): Update swc_core to v26.3.3: #80059
• perf(turbopack): Use owned instance of Code for minify(): #79991
• Update Turbopack development test manifest: #80041

Credits

Huge thanks to @sokra, @icyJoseph, @kdy1, @timneutkens, @lukesandberg, @eps1lon, @bgw, and @gnoff for helping!

v15.4.0-canary.61

Misc Changes

• [turbopack] Create a macro rcstr! for constructing RcStr from string literals.: #79759

Credits

Huge thanks to @lukesandberg for helping!

v15.4.0-canary.60

Core Changes

• [devtools] Add a query parameter to restart endpoint to invalidate the persistent cache: #79425
• Implement handler interface for app-page: #79568
• Migrate app route to handler interface: #80008
• Turbopack Build: Fix underscore path tests: #79778
• Fix watchmode for taskr tasks: #80020

Misc Changes

• fix: update rspack production build output snapshot: #79766

Credits

Huge thanks to @SyMind, @bgw, @ijjk, @timneutkens, and @eps1lon for helping!

v15.4.0-canary.59

Core Changes

• Remove subissues from Issue: #79988

Misc Changes

• [turbopack] Fix URL fragment and query handling in Turbopack: #79993
• chore(turbopack): Cleanup benchmark code: #79943
• chore(ci): Run turbopack benchmark from custom runners: #79979

Credits

Huge thanks to @lukesandberg and @kdy1 for helping!

v15.4.0-canary.57

Core Changes

• fix: preload fonts in template.js: #79417
• feat: using eval source map plugin for Rspack: #79199
• feat: using builtin CssChunkingPlugin for rspack: #79762
• fix(napi): Update generated types, add alias for RcStr: #79915
• [dev-overlay] Fix highlighted line cut off on scroll: #79930
• fix(next/font): allow custom font-family in declarations: #76274

Example Changes

• refactor(napi): Implement napi traits for RcStr: #79806

Misc Changes

• Update Rspack development test manifest: #79772
• chore(turbo-tasks-backend): Fix build with --features turbo-tasks-backend/lmdb: #79530
• Turbopack: persist and compare errors and panics: #77935
• Turbopack: add test for reexport cycles: #79792
• [release-new] fix: slack notification only if is a publish workflow: #79933
• Update Rspack production test manifest: #79923
• chore(ci): Configure small benchmark for builds: #79796

Credits

Huge thanks to @lpalmes, @bgw, @SyMind, @raunofreiberg, @sokra, @imskyleen, @devjiwonchoi, and @kdy1 for helping!

v15.3.3

Note

This release is backporting bug fixes. It does not include all pending features/changes on canary.

Core Changes

• Reinstate vary (#79939)
• fix(next-swc): Fix interestingness detection for React Compiler (#79558)
• fix(next-swc): Fix react compiler usefulness detector (#79480)
• fix(dev-overlay): Better handle edge-case file paths in launchEditor (#79526)
• Client router should discard stale prefetch entries for static pages (#79362)

Credits

Huge thanks to @gaojude, @kdy1, @bgw, and @unstubbable for helping!

v15.4.0-canary.56

Core Changes

• chore: update rspack to 1.3.12: #79428
• Enable repeated tsc runs in packages/next without having to build first: #79782
• Run tsc in watch mode during pnpm dev: #79785

Example Changes

• chore: Update the with-supabase example to use the Supabase Auth block: #78913

Misc Changes

• Docs: Fix headings: #79777
• Turbopack Build: Fix metadata test: #79776
• chore(turbopack): Update swc_core to v26.2.2: #79756
• re-enable vary header deploy test: #79753
• refactor(turbopack): Preserve indents in dev mode codegen: #79786
• Docs: force-static w/ revalidate, revalidatePath, and revalidateTag: #79780
• Turbopack: split meta data and AQMF into separate files: #79659
• Update script location used in pnpm unpack-next: #79626
• chore(ci): Configure automated benchmark for turbopack: #79791
• [turbopack] Reduce the size of module graph datastructures: #79706
• chore(ci): Add large benchmark: #79793
• Update Turbopack development test manifest: #79774
• Update Turbopack production test manifest: #79773
• fix(next-swc): Fix specificity issue of styled-jsx in lightningcss mode: #79802

Credits

Huge thanks to @SyMind, @delbaoliveira, @timneutkens, @eps1lon, @kdy1, @gaojude, @unstubbable, @icyJoseph, @sokra, @ivasilov, and @lukesandberg for helping!

v15.4.0-canary.55

Core Changes

• misc: remove leftover clientInstrumentationHook type: #79701
• cleanup(turbopack): Embed Global vs Specific channel type in the Rust type system: #79291
• [dev-overlay] Show error overlay on any thrown value in /app: #79658
• [dev-overlay] Move error handlers into dispatcher in /app: #79660
• Verify cache-busting param during segment prefetch: #79563
• update(turbopack): Update the messaging UX for timing writing files to disk: #79469
• [dev-overlay] Move Redbox open/close into dispatcher: #79698

Misc Changes

• Turbopack Build: Fix middleware rewrite test: #79697
• Update flakey empty-project test: #79734
• Update Rspack production test manifest: #79645
• Update Turbopack development test manifest: #79646
• Update Rspack development test manifest: #79644
• perf(turbopack): Remove indent in intermediate string: #79754
• fix(turbopack): Use comments instead of AST nodes for unreachables: #79703

Credits

Huge thanks to @r34son, @Cy-Tek, @eps1lon, @timneutkens, @ijjk, @acdlite, and @kdy1 for helping!

v15.4.0-canary.54

Core Changes

• Turbopack: derive de/serialize for loader config: #79581
• Update font data: #79642
• Avoid bundling dev overlay in page template: #79641
• Enable preview builds for forks: #79648

Misc Changes

• chore(turbo-tasks): Remove old and unused turbo-tasks-memory backend: #79560
• Update Turbopack development test manifest: #79603
• Enforce consistency between packages in preview builds: #79610
• Turbopack: improve error handling when DB read/deserialization fails: #79545
• Docs IA 2.0: Create Forms guide: #79288
• Docs IA 2.0: Create intercepting and parallel routes API reference: #79405
• Docs IA 2.0: Add examples to layout.js: #79453
• Docs IA 2.0: Update template.js API reference: #79490
• Docs IA 2.0: Create Dynamic Segments API reference, add example to getting started. : #79439
• Turbopack: avoid panics due to eventual consistency: #79242
• Next IA 2.0: Create Route Groups API reference, simplifying wording: #79444
• Update Turbopack production test manifest: #79647
• Docs IA 2.0: Move Redirects page to guides: #79447
• Docs IA 2.0: Add Caching and Revalidating page: #79493
• Docs: scrub html in ld+json script: #79627
• Turbopack Build: Fix edge _document test: #79628
• Turbopack Build: Fix conflicting page error: #79634
• Turbopack Build: Fix runtime value test: #79654
• Docs IA 2.0: Delete Error Handling page: #79495
• Turbopack Build: Skip edge stacktrace test: #79661
• Fix name tracking for closures in server actions transform: #79657

Credits

Huge thanks to @bgw, @wbinnssmith, @eps1lon, @sokra, @delbaoliveira, @icyJoseph, @timneutkens, @ijjk, and @unstubbable for helping!